static void Main(string[] args)
{
Commands cmd;
try {
cmd = ParseArgs(args);
} catch (UnexpectedEndOfArgsException e) {
Console.Error.WriteLine(e.ToString());
Help();
return;
} catch (Exception e) {
Console.Error.WriteLine(e.Message);
Help();
return;
}
if (cmd.NeedHelp)
{
Help();
return;
}
if (!cmd.InputFile.EndsWith(".rbl"))
{
Console.Error.WriteLine("rbc expect files ends with .rbl");
return;
}
try {
cmd.InputFileStream = new FileStream(cmd.InputFile, FileMode.Open);
} catch (Exception e) {
Console.Error.WriteLine(
$"rbc thrown an exception when opening file: {cmd.InputFile}");
Console.Error.WriteLine(e.Message);
return;
}
cmd.OutputFileStream = new FileStream(cmd.OutputFile, FileMode.OpenOrCreate);
var logger = Logger.GetByName("rbc-dev.log");
logger.CopyToStdout = true;
var lexer = new RbLexer(cmd.InputFileStream);
var parser = new RbParser(lexer);
var codes = parser.Parse();
if (parser.HasError)
{
return;
}
var _generator = new ClrIlGenerator(cmd, (CodeBlockAstNode)codes);
_generator.Check();
}
public void TestParseAst2()
{
using var sourceStream = new FileStream("TestCode/TestParse2.rbl",
FileMode.Open);
ILanguageLexer lexer = new RbLexer(sourceStream);
ILanguageParser parser = new RbParser(lexer);
var actualAst = parser.Parse();
var expectedAst = new CodeBlockAstNode(new BasicAstNode[] {
new FunctionAstNode(
new FunctionPrototypeAstNode(new FunctionParameter[] {
new("i64", "i")
}, "EatInt", "void", null),
public void TestParseAst1()
{
using var sourceStream = new FileStream("TestCode/TestParse1.rbl",
FileMode.Open);
ILanguageLexer lexer = new RbLexer(sourceStream);
ILanguageParser parser = new RbParser(lexer);
var actualAst = parser.Parse();
var expectedAst = new CodeBlockAstNode(new BasicAstNode[] {
new FunctionAstNode(
new FunctionPrototypeAstNode(
new[] {
new FunctionParameter("str", "s")
}, "WriteLine", "void", new[] { "@import" }
), null
),
new VariableDefineAstNode("str", "greeting",
new StringAstNode("\"Hello world!\\nI'm running on CLR!\"")),
new FunctionAstNode(
new FunctionPrototypeAstNode(
new[] {
new FunctionParameter("i64", "n")
}, "fib", "i64", null
), new CodeBlockAstNode(
new BasicAstNode[] {
new IfElseAstNode(
new BinaryOperatorAstNode("==",
new IdentifierAstNode("n"),
new IntegerAstNode(1)),
new CodeBlockAstNode(new BasicAstNode[] {
new ReturnAstNode(new IntegerAstNode(1))
}), null
),
new ReturnAstNode(new BinaryOperatorAstNode("*",
new IdentifierAstNode("n"),
new FunctionCallingAstNode("fib", new BasicAstNode[] {
new BinaryOperatorAstNode("-",
new IdentifierAstNode("n"), new IntegerAstNode(1))
})
))
}
)
),
new FunctionAstNode(
new FunctionPrototypeAstNode(
new[] {
new FunctionParameter("str", "s")
}, "foo", "i64", null
), new CodeBlockAstNode(new BasicAstNode[] {
new FunctionCallingAstNode("WriteLine",
new BasicAstNode[] { new IdentifierAstNode("s") }),
new VariableDefineAstNode("i64", "isNull",
new BinaryOperatorAstNode("+",
new IntegerAstNode(10),
new UnaryOperatorAstNode("not",
new UnaryOperatorAstNode("address_of",
new IdentifierAstNode("s")
)
)
)
),
new ReturnAstNode(
new FunctionCallingAstNode("fib", new BasicAstNode[] {
new IntegerAstNode(10)
}))
})
),
new FunctionCallingAstNode("foo", new BasicAstNode[] {
new IdentifierAstNode("greeting")
})
});
var tester = new TestAstHelper(expectedAst, actualAst);
tester.Test();
}
